Welcome to the Grimselwelt

The world of hydropower

Experience spectacular mountain railways, explore emerald-green reservoirs, let yourself be guided through our underground power stations and relax in our charming mountain hotels.

Here, every excursion becomes an unforgettable experience!

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I need the power of nature
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from 29 June

Oberaarbahn

Take the Oberaarbahn railway to the source of the Aare. Enjoy the ride across breathtaking alpine Landscapes to the Lake Oberaar. During the 30-minute trip you experience an amazing panorama.

from 29 June
Berghaus Oberaar

Berghaus Oberaar

The sun shines every day in the Oberaar.
The beautiful sun terrace with this unique view over the Oberaarsee and the magnificent mountains invites you to linger.

from 29 June
Die Staumauer Oberaar im Berner Oberland mit dem Stausee der KWO

Tagestour «Oberaar Hydropower»

On the day tour, follow the flow of the Oberaar from the dam wall deep below the Grimselsee to the Grimsel 2 power station. The insight into the Spitallamm construction site will also amaze you.